New Delhi, April 10 -- Tahawwur Hussain Rana, a 'key conspirator behind 2008 mayhem', was successfully extradited and arrested, the National Investigation Agency (NIA) said on Thursday, as a special flight carrying the 26/11 Mumbai terror attacks mastermind arrived in Delhi.

NIA said that Rana was escorted to New Delhi by teams of NSG and NIA, comprising senior officials, on a special plane from Los Angeles.

"The NIA investigation team at the airport arrested Rana, a Canadian national of Pakistani origin living primarily in Chicago (US), soon after he emerged from the airplane, after completing all the necessary legal formalities," said the agency.

Rana has been accused of being involved in the 2008 Mumbai terror attacks in which over ...